Receptor-mediated activation of a MAP kinase in pathogen defense of plants - PubMed (original) (raw)

Receptor-mediated activation of a MAP kinase in pathogen defense of plants

W Ligterink et al. Science. 1997.

Abstract

Parsley cells recognize the fungal plant pathogen Phytophthora sojae through a plasma membrane receptor. A pathogen-derived oligopeptide elicitor binds to this receptor and thereby stimulates a multicomponent defense response through sequential activation of ion channels and an oxidative burst. An elicitor-responsive mitogen-activated protein (MAP) kinase was identified that acts downstream of the ion channels but independently or upstream of the oxidative burst. Upon receptor-mediated activation, the MAP kinase is translocated to the nucleus where it might interact with transcription factors that induce expression of defense genes.

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